1.3.2 Protocols and Layers Flashcards

1
Q

Name a wired mode of connection (1)

A

Ethernet(1)

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2
Q

Name two wireless connection methods (2)

A

Wi-fi (1) Bluetooth (1)

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3
Q

What is encryption? (3)

A

An algorithm(1) that disguises data (1) so it can only be understood by authorised users (1)

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4
Q

Give three features of an IP(v4) address (3)

A

4 bytes long (1) normally written in denary (1) configured in software (1).

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5
Q

Give three features of an IP(v6) address (3)

A

16 bytes long (1) normally written in hex
(1) configured in software (1).

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6
Q

Give three features of a MAC address (3)

A

6 bytes long(1) normally written in hex (1) configured by hardware (1).

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7
Q

Which addressing mode is used to route data over the internet? (1)

A

IP addressing (1)

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8
Q

Which addressing mode is used to route data within a LAN? (1)

A

MAC addressing (1)

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9
Q

What are standards? (1)

A

Rules that allow hardware and software made by different providers to interact (1). Eg Ethernet or HTML

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10
Q

What is a network protocol? (1)

A

A set of rules for data transmission (1)

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11
Q

What is TCP / IP used for? (2)

A

IP finds the address of a device (1) TCP transfers data (1)

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12
Q

What is HTTP used for? (1)

A

Transmitting websites (HTML) (1)

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13
Q

What is HTTPS used for? (1)

A

Transmits websites securely (1) using encryption (1)

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14
Q

What is a layer in a network protocol? (1)

A

A division of network functionality (1) (This means it’s one part of the algorithms that make a network run)

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15
Q

What are the advantages of splitting a network protocol into layers? (4)

A

Layers are self contained (1) which allows different developers to concentrate on one aspect of the network. (1) A layer can be taken out and edited without affecting other layers (1) which means different vendors and systems can work together. (1)

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16
Q

What is FTP? (2)

A

File Transfer Protocol (1) transfers files using client / server. (1)

17
Q

What is POP? (3)

A

Post Office Protocol. (1) An email protocol (1) that delivers an e-mail and doesn’t keep a copy on a server. (1)

18
Q

What is IMAP? (3)

A

Instant Message Access Protocol. (1) An email protocol (1) that allows a user to access emails stored on a server. (1)

19
Q

What is SMTP? (3)

A

Simple Mail Transfer Protocol. (1) An email protocol (1) for sending emails. (1)

20
Q

What are the internet protocols we’ve learned? (3)

A

HTTP (1) HTTPS (1) FTP (1)

21
Q

Which protocol is used to connect devices on wired networks? (1)

A

Ethernet(1)

22
Q

What are the email protocols we’ve learned? (3)

A

POP3 (1) IMAP (1) SMTP (1)